r. at the same time but in another place
r. during the intervening time
n. 其时, 其间
adv. 同时, 于此时
1. I was cooking dinner; meanwhile, my sister was setting the table.
我在做晚餐；与此同时，我的姐姐在摆桌子。
2. The students were taking their exam; meanwhile, the teacher was grading papers.
学生们正在考试；与此同时，老师在批改试卷。
3. It's raining outside; meanwhile, we can enjoy a movie indoors.
外面在下雨；与此同时，我们可以在室内看电影。